<?php
/**
 * Widget API: Manta_Widget_Recent_Posts class
 *
 * @package Manta
 * @since 1.2.1
 */

/**
 * Class used to implement a Recent Posts widget with thumbnails.
 *
 * @since 1.2.1
 *
 * @see WP_Widget
 */
class Manta_Widget_Recent_Posts extends WP_Widget {

	/**
	 * Sets up a new Recent Posts widget instance.
	 *
	 * @since 1.2.1
	 * @access public
	 */
	public function __construct() {
		$widget_ops = array(
			'classname' => 'manta_widget_recent_entries',
			'description' => esc_html__( 'Your site&#8217;s most recent Posts.', 'manta' ),
			'customize_selective_refresh' => true,
		);
		parent::__construct( 'manta-recent-posts', esc_html__( 'Manta Recent Posts', 'manta' ), $widget_ops );
		$this->alt_option_name = 'manta_widget_recent_entries';
	}

	/**
	 * Outputs the content for the current Recent Posts widget instance.
	 *
	 * @since 1.2.1
	 * @access public
	 *
	 * @param array $args     Display arguments including 'before_title', 'after_title',
	 *                        'before_widget', and 'after_widget'.
	 * @param array $instance Settings for the current Recent Posts widget instance.
	 */
	public function widget( $args, $instance ) {
		if ( ! isset( $args['widget_id'] ) ) {
			$args['widget_id'] = $this->id;
		}

		$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : esc_html__( 'Recent Posts', 'manta' );

		$title = apply_filters( 'manta_widget_title', $title, $instance, $this->id_base );

		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
		if ( ! $number )
			$number = 5;
		$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;
		$show_thumb = isset( $instance['show_thumb'] ) ? $instance['show_thumb'] : false;

		$r = new WP_Query( apply_filters( 'widget_posts_args', array(
			'posts_per_page'      => $number,
			'no_found_rows'       => true,
			'post_status'         => 'publish',
			'ignore_sticky_posts' => true
		) ) );

		if ($r->have_posts()) :
		?>
		<?php echo $args['before_widget']; ?>
		<?php if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		} ?>
		<ul>
		<?php while ( $r->have_posts() ) : $r->the_post(); ?>
			<li>
			<?php if ( $show_thumb && has_post_thumbnail( $r->post->ID ) ) : ?>
				<a href="<?php the_permalink(); ?>" class="widget-thumbnail" aria-hidden="true">
					<?php the_post_thumbnail( 'thumbnail', array( 'alt' => the_title_attribute( 'echo=0' ) ) ); ?>
				</a>
			<?php endif; ?>
				<span class="recent-post-content">
					<a class="recent-post-title" href="<?php the_permalink(); ?>"><?php get_the_title() ? the_title() : the_ID(); ?></a>
				<?php if ( $show_date ) : ?>
					<span class="post-date"><?php echo get_the_date(); ?></span>
				<?php endif; ?>
				</span>
			</li>
		<?php endwhile; ?>
		</ul>
		<?php echo $args['after_widget']; ?>
		<?php
		// Reset the global $the_post as this query will have stomped on it
		wp_reset_postdata();

		endif;
	}

	/**
	 * Handles updating the settings for the current Recent Posts widget instance.
	 *
	 * @since 1.2.1
	 * @access public
	 *
	 * @param array $new_instance New settings for this instance as input by the user via
	 *                            WP_Widget::form().
	 * @param array $old_instance Old settings for this instance.
	 * @return array Updated settings to save.
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = sanitize_text_field( $new_instance['title'] );
		$instance['number'] = (int) $new_instance['number'];
		$instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
		$instance['show_thumb'] = isset( $new_instance['show_thumb'] ) ? (bool) $new_instance['show_thumb'] : false;
		return $instance;
	}

	/**
	 * Outputs the settings form for the Recent Posts widget.
	 *
	 * @since 2.8.0
	 * @access public
	 *
	 * @param array $instance Current settings.
	 */
	public function form( $instance ) {
		$title      = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
		$number     = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
		$show_date  = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;
		$show_thumb = isset( $instance['show_thumb'] ) ? (bool) $instance['show_thumb'] : false;
?>
		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'manta' ); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>

		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:', 'manta' ); ?></label>
		<input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /></p>

		<p><input class="checkbox" type="checkbox"<?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />
		<label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?', 'manta' ); ?></label></p>

		<p><input class="checkbox" type="checkbox"<?php checked( $show_thumb ); ?> id="<?php echo $this->get_field_id( 'show_thumb' ); ?>" name="<?php echo $this->get_field_name( 'show_thumb' ); ?>" />
		<label for="<?php echo $this->get_field_id( 'show_thumb' ); ?>"><?php _e( 'Display post thumbnail?', 'manta' ); ?></label></p>
<?php
	}
}

// Register Widget
function manta_register_recent_posts_widget() {
	register_widget( 'Manta_Widget_Recent_Posts' );
}
add_action( 'widgets_init', 'manta_register_recent_posts_widget' );